READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 21353.185 18687.729 -17620.826 1.174226e-03 6.212371e-04 -4.711777e-04 0.194322 8.955945e-05 5.440349e-06 1.543368 6 0.631890 7055.542200 3.999674 2.492108